1997 ATC DIAGNOSTICS - Page 5 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-27-2006, 12:16 PM   #41
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Cost wise..I have found a few bonnes in the yards w/o dashboards. This is key for picking up an actuator easily.
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Old 03-27-2006, 10:14 PM   #42
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Temperature Valve Link Adjustment
im half way through the procedure. the actuator rod is disconnected . the plastic that attaches to the rod fell off and is hidding in the dash. i found it and will try to complete the procedure tomorrow evening. it should be warm in there tomorrow. you get full heat when it is disconnected.

Thanks for looking up the procedure
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Old 03-28-2006, 07:17 AM   #43
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Please keep us posted on whether this solves the problem. I am having the same issue now since I disconnected the battery to do the water pump on the weekend.
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Old 03-28-2006, 08:53 AM   #44
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on the way to work this morning the display was not flashing

as the engine reached operating temperature the system activated and acted very normal. i had so much heat i had to shut the system off.

i then turned the system back on then stopped to by gas

after restarting the car the display was not flashing ant the system seemed normal.
except i'm getting full heat.

i will reconnect the actuator rod tonight and see what happens then.
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Old 03-28-2006, 08:55 AM   #45
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This is what they seem to do. Drive you nuts and finally cooperate.
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Old 03-28-2006, 10:48 AM   #46
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Quote:
Originally Posted by 97-SSE
on the way to work this morning the display was not flashing

as the engine reached operating temperature the system activated and acted very normal. i had so much heat i had to shut the system off.

i then turned the system back on then stopped to by gas

after restarting the car the display was not flashing ant the system seemed normal.
except i'm getting full heat.

i will reconnect the actuator rod tonight and see what happens then.
If I understand correctly, you have the actuator rod disconnected and the level is to the full right. Yes, that would mean you are getting maximum heat regardless of what your temp setting is. Let'* see what happens when you set the rod back in.
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Old 03-29-2006, 08:40 AM   #47
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the actuator rod is reconnected and the system seems to be operating properly.

thanks to all who have helped with this problem
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Old 03-29-2006, 08:58 AM   #48
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The bad part is... I don't think we actually figured out what was wrong with it.

Didn't it start functioning on it'* own? Maybe 50 drive cycles?
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Old 03-29-2006, 09:41 AM   #49
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i was way over 50 drive cycles.

so i think this procdure is what helped me.

Temperature Valve Link Adjustment
1. Pull valve link from retainer on programmer output crank.
2. Start vehicle; set temperature to 32 deg C (90 F).
3. Allow 45 seconds minimum for programmer motor to move output crank to its full hot position. Then move temperature valve to full hot position; snap valve link back into retainer on output crank.

as soon as i diconnected the rod and followed this procedure the flashing display stopped

on observation, the actuator rod retracted. so i think that i had lost calibration.
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Old 03-29-2006, 12:48 PM   #50
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Interesting. As a test case, I won't do this procedure for the next 50 drive cycles to see if the problem goes away itself (the weather is getting good so I don't need the heat).

The procedure, to clarify, is to pop the rod out, set the temp to highest setting, wait for the actuator to move to the right most, and pop the rod back in?
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